Sonnax has provided the following guide on critical wear areas and vacuum test locations for the Toyota/Lexus UA and UB lines of transmissions. Technicians working on these models should find this guide helpful.
A rattling noise is coming from the transmission whenever the engine is running and the transmission is in gear.
The complaint
A rattling noise is coming from the transmission whenever the engine is running and the transmission is in gear.
The cause
Too much clearance develops between the pinion bearing and the park gear—refer to figure 1, above—which causes the park gear to rattle against the differential pinion gear.
A 2002 Lexus RX300 equipped with a 3.0-liter V6 engine and U140F transmission was brought into our facility with a few concerns. The customer said that “it has a leak, a grinding noise when taking off from a stop, and it just doesn’t seem to shift right.” Related Articles – Sonnax introduces Sure Cure Kit
As technicians, we are often faced with build issues that can sometimes be frustrating at first. But with a little ingenuity, these frustrations can be turned around and made simple. Related Articles – ETE Reman: Ever expanding – Shift Pointers: Nissan’s no throttle response – Jatco/Nissan JF011E critical wear areas and vacuum test locations In
Beginning in October of 2015, GM removed the #7 Check-ball from the solenoid valve control body in the 8L90 transmission (see Figure 1). This was done in conjunction with the elimination of the Lube Override Enable Valve from the upper valve body as shown in Figure 2. Related Articles – ZF 6HP26: A torque calculation
Nissan vehicles using continuously variable transmissions (CVTs) are notorious for defaulting to a no throttle response when the vehicle is engaged into gear. There are several malfunctions that can cause this protective failsafe feature to be initiated. A brake switch (stop lamp switch) stuck on, a double-footed driver, blown or incorrect brake bulbs, and wheel
Sonnax highlights its line of heavy-duty input shafts for GM 4L transmissions. The company touts the torsional design that allows energy to be absorbed, reducing peak loads to critical areas. Related Articles – Raybestos introduces 10R80 conical torque converter wafers – 13 BorgWarner OEM/S solenoids move to Rostra – Gray Tools releases insulated socket sets
Sonnax has introduced a new bypass blocker valve kit for Ford 6R140 transmissions, model years 2011 to 2016. The company says this kit is made to replace the faulty thermal element lineup in these transmissions to prevent the potential of overheating. The kit (part no. 126740-26K) includes a drop-in Zip Valve for installation. Related Articles
Sonnax has introduced a new aluminum splined stub and sleeve kit designed for 1350 series u-joints. Sonnax says this kit is designed for Ford trucks, including the Super Duty, among others, and allows users to raise the torque capacity of the driveshaft. The kit is part no. T35-125-500-KIT. Related Articles – Clutch Industries launches Clutch
The following pages contain powertrain industry profiles, key people and product information from leading companies in the marketplace. These profiles serve as an introduction for companies participating in autumn trade shows. Related Articles – Standard Drivetrain acquires Precision Industries – Transtar announces formation of NexaMotion Group – Al La Rocca passes away The companies include:
